
Windows Security DNS Error Troubleshooting Checklist
If you see a DNS error in Windows Security—like 'DNS resolution failed' or 'We can't connect to t...

If you see a DNS error in Windows Security—like 'DNS resolution failed' or 'We can't connect to t...

If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...

If you see an error like 'There is a dependency conflict with Windows Security' or Windows Securi...

You wait for a Windows update to finish, the progress bar hits 100%, and then nothing happens for...

You're browsing in Chrome and suddenly pages won't load. Instead you see "connection timeout" or ...

You click "Check for updates" and see error 0x80072F0D or a message like "A certificate chain pro...